Hi,
I have a two server gluster 3.1.5 mirror setup.
One of the peers is behaving very slow - load is constantly around 6-15,
and generally all connected clients work very slow.
As soon as I shut that peer down, clients are relatively fast.
What I noticed, that on one gluster peer, I only get around 100 files
opened by the gluster process:
# lsof -n|grep -c gluster
96
On the slow peer, it's hundreds, tens of thousands, and growing constantly:
# while true; do lsof -n|grep -c gluster; sleep 10; done
169934
170181
170363
170655
If I restart glusterd on that peer, it starts to grow again.
On both peers, I have a big number of such entries:
[2011-07-06 03:22:00.20873] W [server-resolve.c:556:server_resolve]
0-gluster-data-server: pure path resolution for /some/path/.../file (LOOKUP)
Where the path is a symbolic link to the gluster mount.
The unaffected peer has these entries in the log as well:
[2011-07-06 03:23:30.117245] E [posix.c:3672:do_xattrop]
0-gluster-data-posix: getxattr failed on /some/path/.../file while doing
xattrop: Numerical result out of range
Other than that, I don't really see anything unusual in the logs.
Why is gluster on one of the peers opening so many files?
--
Tomasz Chmielewski
http://wpkg.org
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